Patent attributes
A novel maize variety designated PHR3J and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing maize variety PHR3J with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PHR3J through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. Hybrid maize seed, plant or plant part produced by crossing the variety PHR3J or a trait conversion of PHR3J with another maize variety. Inbred maize varieties derived from maize variety PHR3J, methods for producing other inbred maize varieties derived from maize variety PHR3J and the inbred maize varieties and their parts derived by the use of those methods.